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path: root/drivers/infiniband/hw/mlx4/cq.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx4/cq.c')
-rw-r--r--drivers/infiniband/hw/mlx4/cq.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index a57033d4b0e5..f8b936b76dcd 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -568,18 +568,13 @@ static void mlx4_ib_handle_error_cqe(struct mlx4_err_cqe *cqe,
wc->vendor_err = cqe->vendor_err_syndrome;
}
-static int mlx4_ib_ipoib_csum_ok(__be16 status, __be16 checksum)
+static int mlx4_ib_ipoib_csum_ok(__be16 status, u8 badfcs_enc, __be16 checksum)
{
- return ((status & cpu_to_be16(MLX4_CQE_STATUS_IPV4 |
- MLX4_CQE_STATUS_IPV4F |
- MLX4_CQE_STATUS_IPV4OPT |
- MLX4_CQE_STATUS_IPV6 |
- MLX4_CQE_STATUS_IPOK)) ==
- cpu_to_be16(MLX4_CQE_STATUS_IPV4 |
- MLX4_CQE_STATUS_IPOK)) &&
- (status & cpu_to_be16(MLX4_CQE_STATUS_UDP |
- MLX4_CQE_STATUS_TCP)) &&
- checksum == cpu_to_be16(0xffff);
+ return ((badfcs_enc & MLX4_CQE_STATUS_L4_CSUM) ||
+ ((status & cpu_to_be16(MLX4_CQE_STATUS_IPOK)) &&
+ (status & cpu_to_be16(MLX4_CQE_STATUS_TCP |
+ MLX4_CQE_STATUS_UDP)) &&
+ (checksum == cpu_to_be16(0xffff))));
}
static void use_tunnel_data(struct mlx4_ib_qp *qp, struct mlx4_ib_cq *cq, struct ib_wc *wc,
@@ -855,6 +850,7 @@ repoll:
wc->wc_flags |= g_mlpath_rqpn & 0x80000000 ? IB_WC_GRH : 0;
wc->pkey_index = be32_to_cpu(cqe->immed_rss_invalid) & 0x7f;
wc->wc_flags |= mlx4_ib_ipoib_csum_ok(cqe->status,
+ cqe->badfcs_enc,
cqe->checksum) ? IB_WC_IP_CSUM_OK : 0;
if (is_eth) {
wc->slid = 0;